Are there nonstop flights from Guilin (KWL) to Quanzhou (JJN)?

No. The fastest connection is via Haikou, about 2h 52m of total flying time.

What is the fastest connection from Guilin (KWL) to Quanzhou (JJN)?

via Haikou ≈ 2h 52m, via Wuhu ≈ 3h 5m, via Hangzhou ≈ 3h 7m (estimated flying time, excluding layovers).

from 15,000 JAL miles (economy, one way, based on the published award charts).

Guilin Liangjiang International Airport (KWL) to Quanzhou Jinjiang International Airport (JJN)・863 km

No nonstop flights. The fastest connection is via Haikou (HAK), about 2h 52m of flying time (layover not included).

With milesJAL 15,000 miles+ (via HFE)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.